<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./jq-3.6.0.js"></script>
</head>

<body>
    <div>hello</div>
    <input type="text" value="111111">
</body>
<script>
    $('div').html("<del>are you ok?<del>");
    //$('div').text("<del>are you ok?<del>")

    console.log($('input').val(222222));
</script>


</html>